diff --git a/test/Assembler/2002-04-07-InfConstant.llx b/test/Assembler/2002-04-07-InfConstant.llx
index f1479eb..afce5b8 100644
--- a/test/Assembler/2002-04-07-InfConstant.llx
+++ b/test/Assembler/2002-04-07-InfConstant.llx
@@ -6,6 +6,6 @@
 
 float "test"()
 begin
-	%tmp = mul float 1.0e100, 1.0e1
+	%tmp = mul float 0x7FF0000000000000, 1.0e1
 	ret float %tmp
 end
diff --git a/test/CodeGen/ARM/illegal-vector-bitcast.ll b/test/CodeGen/ARM/illegal-vector-bitcast.ll
index 6785cfd..79f9929 100644
--- a/test/CodeGen/ARM/illegal-vector-bitcast.ll
+++ b/test/CodeGen/ARM/illegal-vector-bitcast.ll
@@ -3,7 +3,7 @@
 define void @foo(<8 x float>* %f, <8 x float>* %g, <4 x i64>* %y)
 {
   %h = load <8 x float>* %f
-  %i = mul <8 x float> %h, <float 1.1, float 3.3, float 4.4, float 5.4, float 0.5, float 0.6, float 0.7, float 0.8>
+  %i = mul <8 x float> %h, <float 0x3FF19999A0000000, float 0x400A666660000000, float 0x40119999A0000000, float 0x40159999A0000000, float 0.5, float 0x3FE3333340000000, float 0x3FE6666660000000, float 0x3FE99999A0000000>
   %m = bitcast <8 x float> %i to <4 x i64>
   %z = load <4 x i64>* %y
   %n = mul <4 x i64> %z, %m
diff --git a/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll b/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll
index df03c4e..e692005 100644
--- a/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll
+++ b/test/CodeGen/CBackend/2006-12-11-Float-Bitcast.ll
@@ -38,9 +38,9 @@
 }
 
 int %main(int %argc, sbyte** %argv) {
-  %a = call int %test1(float 3.1415926)
+  %a = call int %test1(float 0x400921FB40000000)
   %b = call float %test2(int %a)
-  %c = call long %test3(double 3.1415926)
+  %c = call long %test3(double 0x400921FB4D12D84A)
   %d = call double %test4(long %c)
   %e = call double %test5(double 7.0)
   %f = call float %test6(float 7.0)
diff --git a/test/CodeGen/Generic/2006-07-03-schedulers.ll b/test/CodeGen/Generic/2006-07-03-schedulers.ll
index 6edb7a0..a262850 100644
--- a/test/CodeGen/Generic/2006-07-03-schedulers.ll
+++ b/test/CodeGen/Generic/2006-07-03-schedulers.ll
@@ -20,7 +20,7 @@
 	%z1 = add float %x1, %y1		;; z1 = x1 + y1
 	
 	%x2 = mul float %x, 0.5			;; x2
-	%y2 = mul float %y, 0.9			;; y2
+	%y2 = mul float %y, 0x3FECCCCCC0000000  ;; y2
 	%z2 = add float %x2, %y2		;; z2 = x2 + y2
 	
 	%z3 = add float %z1, %z2		;; z3 = z1 + z2
diff --git a/test/CodeGen/Generic/constindices.ll b/test/CodeGen/Generic/constindices.ll
index b176144..2467c37 100644
--- a/test/CodeGen/Generic/constindices.ll
+++ b/test/CodeGen/Generic/constindices.ll
@@ -21,14 +21,14 @@
 	%ArrayB  = alloca %MixedB, uint 3
 
 	%I1 = getelementptr %MixedA* %ScalarA, long 0, uint 0	
-	store float 1.4142, float *%I1
+	store float 0x3FF6A09020000000, float *%I1
 	%I2 = getelementptr %MixedB* %ScalarB, long 0, uint 1, uint 0 
-	store float 2.7183, float *%I2
+	store float 0x4005BF1420000000, float *%I2
 	
   	%fptrA = getelementptr %MixedA* %ArrayA, long 1, uint 0 
 	%fptrB = getelementptr %MixedB* %ArrayB, long 2, uint 1, uint 0 
 	
-	store float 3.1415, float* %fptrA
+	store float 0x400921CAC0000000, float* %fptrA
 	store float 5.0,    float* %fptrB
 	
 	;; Test that a sequence of GEPs with constant indices are folded right
diff --git a/test/CodeGen/Generic/sched.ll b/test/CodeGen/Generic/sched.ll
index ed2f44e..f66e9f0 100644
--- a/test/CodeGen/Generic/sched.ll
+++ b/test/CodeGen/Generic/sched.ll
@@ -13,7 +13,7 @@
 	%z1 = add float %x1, %y1		;; z1 = x1 + y1
 	
 	%x2 = mul float %x, 0.5			;; x2
-	%y2 = mul float %y, 0.9			;; y2
+	%y2 = mul float %y, 0x3FECCCCCC0000000	;; y2
 	%z2 = add float %x2, %y2		;; z2 = x2 + y2
 	
 	%z3 = add float %z1, %z2		;; z3 = z1 + z2
diff --git a/test/CodeGen/Generic/select.ll b/test/CodeGen/Generic/select.ll
index edf3641..87ea405 100644
--- a/test/CodeGen/Generic/select.ll
+++ b/test/CodeGen/Generic/select.ll
@@ -15,7 +15,7 @@
 	%i = add int %N, 12345678	; constant has to be loaded
 	%b = add short 4, 3		; one of the operands shd be immed
 	%c = add float %X, 0.0		; will this be optimzzed?
-	%d = add float %X, 3.1415	; constant has to be loaded
+	%d = add float %X, 0x400921CAC0000000	; constant has to be loaded
 	%f = add uint 4294967295, 10    ; result shd be  9   (not in immed fld)
 	%g = add ushort 20, 65535	; result shd be 19 (65536 in immed fld)
 	%j = add ushort 65535, 30	; result shd be 29   (not in immed fld)
diff --git a/test/CodeGen/Generic/vector.ll b/test/CodeGen/Generic/vector.ll
index 59f554b..0b21c75 100644
--- a/test/CodeGen/Generic/vector.ll
+++ b/test/CodeGen/Generic/vector.ll
@@ -64,7 +64,7 @@
 
 void %test_cst(%f4 *%P, %f4 *%S) {
   %p = load %f4* %P
-  %R = add %f4 %p, <float 0.1, float 1.0, float 2.0, float 4.5>
+  %R = add %f4 %p, <float 0x3FB99999A0000000, float 1.0, float 2.0, float 4.5>
   store %f4 %R, %f4 *%S
   ret void
 }
diff --git a/test/CodeGen/PowerPC/vector.ll b/test/CodeGen/PowerPC/vector.ll
index f8dbbb0..789b543 100644
--- a/test/CodeGen/PowerPC/vector.ll
+++ b/test/CodeGen/PowerPC/vector.ll
@@ -65,7 +65,7 @@
 
 void %test_cst(%f4 *%P, %f4 *%S) {
   %p = load %f4* %P
-  %R = add %f4 %p, <float 0.1, float 1.0, float 2.0, float 4.5>
+  %R = add %f4 %p, <float 0x3FB99999A0000000, float 1.0, float 2.0, float 4.5>
   store %f4 %R, %f4 *%S
   ret void
 }
diff --git a/test/CodeGen/X86/peep-vector-extract-insert.ll b/test/CodeGen/X86/peep-vector-extract-insert.ll
index 764a8c4..77332d0 100644
--- a/test/CodeGen/X86/peep-vector-extract-insert.ll
+++ b/test/CodeGen/X86/peep-vector-extract-insert.ll
@@ -6,7 +6,7 @@
   ret float %c
 }
 define float @bar(float %a) {
-  %b = insertelement <4 x float> <float 3.4, float 4.5, float 0.0, float 9.2>, float %a, i32 3
+  %b = insertelement <4 x float> <float 0x400B333340000000, float 4.5, float 0.0, float 0x4022666660000000>, float %a, i32 3
   %c = extractelement <4 x float> %b, i32 2
   ret float %c
 }
diff --git a/test/CodeGen/X86/store-fp-constant.ll b/test/CodeGen/X86/store-fp-constant.ll
index 3a80080..80f4e67 100644
--- a/test/CodeGen/X86/store-fp-constant.ll
+++ b/test/CodeGen/X86/store-fp-constant.ll
@@ -12,9 +12,9 @@
 implementation
 
 void %testfloatstore() {
-        call void %extfloat(float 1234.4)
-        call void %extdouble(double 1234.4123)
-	store float 13.0123, float* %G
+        call void %extfloat(float 0x40934999A0000000)
+        call void %extdouble(double 0x409349A631F8A090)
+	store float 0x402A064C20000000, float* %G
         ret void
 }
 
diff --git a/test/CodeGen/X86/v4f32-immediate.ll b/test/CodeGen/X86/v4f32-immediate.ll
index 67b5e79..bd6045c 100644
--- a/test/CodeGen/X86/v4f32-immediate.ll
+++ b/test/CodeGen/X86/v4f32-immediate.ll
@@ -1,5 +1,5 @@
 ; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse | grep movaps
 
 define <4 x float> @foo() {
-  ret <4 x float> <float 3.223542354, float 2.3, float 1.2, float 0.1>
+  ret <4 x float> <float 0x4009C9D0A0000000, float 0x4002666660000000, float 0x3FF3333340000000, float 0x3FB99999A0000000>
 }
diff --git a/test/CodeGen/X86/vector.ll b/test/CodeGen/X86/vector.ll
index 348d4d6..4925ea8 100644
--- a/test/CodeGen/X86/vector.ll
+++ b/test/CodeGen/X86/vector.ll
@@ -65,7 +65,7 @@
 
 void %test_cst(%f4 *%P, %f4 *%S) {
   %p = load %f4* %P
-  %R = add %f4 %p, <float 0.1, float 1.0, float 2.0, float 4.5>
+  %R = add %f4 %p, <float 0x3FB99999A0000000, float 1.0, float 2.0, float 4.5>
   store %f4 %R, %f4 *%S
   ret void
 }
diff --git a/test/Feature/fold-fpcast.ll b/test/Feature/fold-fpcast.ll
index 65759b5..66e972b 100644
--- a/test/Feature/fold-fpcast.ll
+++ b/test/Feature/fold-fpcast.ll
@@ -1,7 +1,7 @@
 ; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | not grep bitcast
 
 int %test1() {
-   ret int bitcast(float 3.7 to int)
+   ret int bitcast(float 0x400D9999A0000000 to int)
 }
 
 float %test2() {
@@ -9,7 +9,7 @@
 }
 
 long %test3() {
-  ret long bitcast (double 3.1415926 to long)
+  ret long bitcast (double 0x400921FB4D12D84A to long)
 }
 
 double %test4() {
diff --git a/test/Feature/weirdnames.ll b/test/Feature/weirdnames.ll
index bf143c3..e579758 100644
--- a/test/Feature/weirdnames.ll
+++ b/test/Feature/weirdnames.ll
@@ -7,4 +7,4 @@
 "&^ " = type { int }
 "%.*+ foo" = global "&^ " { int 5 }
 "0" = global float 0.0                 ; This CANNOT be %0
-"\03foo" = global float 0.1            ; Make sure funny char gets round trip
+"\03foo" = global float 0x3FB99999A0000000            ; Make sure funny char gets round trip
diff --git a/test/Integer/BitCast.ll b/test/Integer/BitCast.ll
index c589ff0..0bef023 100644
--- a/test/Integer/BitCast.ll
+++ b/test/Integer/BitCast.ll
@@ -14,10 +14,10 @@
         %t3 = zext i31 %i to i1280
         %t4 = sext i31 %i to i1280
 
-        %t5 = fptoui float 3.14159 to i31
+        %t5 = fptoui float 0x400921FA00000000 to i31
         %t6 = uitofp i31 %t5 to double
 
-        %t7 = fptosi double -1234.5678 to i28
+        %t7 = fptosi double 0xC0934A456D5CFAAD to i28
         %t8 = sitofp i8 -1 to double
         %t9 = uitofp i8 255 to double
         
diff --git a/test/Integer/fold-fpcast_bt.ll b/test/Integer/fold-fpcast_bt.ll
index c7e31b9..8e5f838 100644
--- a/test/Integer/fold-fpcast_bt.ll
+++ b/test/Integer/fold-fpcast_bt.ll
@@ -1,7 +1,7 @@
 ; RUN: llvm-as < %s | llvm-dis | not grep bitcast
 
 define i60 @test1() {
-   ret i60 fptoui(float 3.7 to i60)
+   ret i60 fptoui(float 0x400D9999A0000000 to i60)
 }
 
 define float @test2() {
@@ -9,7 +9,7 @@
 }
 
 define i64 @test3() {
-  ret i64 bitcast (double 3.1415926 to i64)
+  ret i64 bitcast (double 0x400921FB4D12D84A to i64)
 }
 
 define double @test4() {
@@ -17,7 +17,7 @@
 }
 
 define i30 @test5() {
-  ret i30 fptoui(float 3.7 to i30)
+  ret i30 fptoui(float 0x400D9999A0000000 to i30)
 }
 
 define float @test6() {
@@ -25,7 +25,7 @@
 }
 
 define i64 @test7() {
-  ret i64 bitcast (double 3.1415926 to i64)
+  ret i64 bitcast (double 0x400921FB4D12D84A to i64)
 }
 
 define double @test8() {
diff --git a/test/Transforms/ConstProp/remtest.ll b/test/Transforms/ConstProp/remtest.ll
index 905f4b7..fd56012 100644
--- a/test/Transforms/ConstProp/remtest.ll
+++ b/test/Transforms/ConstProp/remtest.ll
@@ -13,11 +13,11 @@
 }
 
 float %test3() {
-	%R = rem float 12.45, 123.213
+	%R = rem float 0x4028E66660000000, 0x405ECDA1C0000000
 	ret float %R
 }
 
 double %test4() {
-	%R = rem double 312.20213123, 12.3333412
+	%R = rem double 0x4073833BEE07AFF8, 0x4028AAABB2A0D19C
 	ret double %R
 }
diff --git a/test/Transforms/InstCombine/load.ll b/test/Transforms/InstCombine/load.ll
index 1bb7a5f..5c7d580 100644
--- a/test/Transforms/InstCombine/load.ll
+++ b/test/Transforms/InstCombine/load.ll
@@ -5,7 +5,7 @@
 %X = constant int 42
 %X2 = constant int 47
 %Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 }, 
-                                     { int, float } { int 37, float 1.2312 } ]
+                                     { int, float } { int 37, float 0x3FF3B2FEC0000000 } ]
 %Z = constant [2 x { int, float }] zeroinitializer
 
 int %test1() {
diff --git a/test/Transforms/SCCP/apint-load.ll b/test/Transforms/SCCP/apint-load.ll
index b353a0b..9650971 100644
--- a/test/Transforms/SCCP/apint-load.ll
+++ b/test/Transforms/SCCP/apint-load.ll
@@ -5,7 +5,7 @@
 
 @X = constant i212 42
 @Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 }, 
-                                     { i212, float } { i212 37, float 1.2312 } ]
+                                     { i212, float } { i212 37, float 0x3FF3B2FEC0000000 } ]
 define i212 @test1() {
 	%B = load i212* @X
 	ret i212 %B
diff --git a/test/Transforms/SCCP/loadtest.ll b/test/Transforms/SCCP/loadtest.ll
index 99da728..58a9ff6 100644
--- a/test/Transforms/SCCP/loadtest.ll
+++ b/test/Transforms/SCCP/loadtest.ll
@@ -5,7 +5,7 @@
 
 %X = constant int 42
 %Y = constant [2 x { int, float }] [ { int, float } { int 12, float 1.0 }, 
-                                     { int, float } { int 37, float 1.2312 } ]
+                                     { int, float } { int 37, float 0x3FF3B2FEC0000000 } ]
 int %test1() {
 	%B = load int* %X
 	ret int %B